5MBV
Cryo-EM structure of Lambda Phage protein GamS bound to RecBCD.
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.514 |
f_angle_d | 0.427 |
f_chiral_restr | 0.036 |
f_plane_restr | 0.003 |
f_bond_d | 0.001 |
Sample |
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RecBCD complex bound to inhibitory protein lambda GamS |
Sample Components |
RecBCD helicase/nuclease complex |
Lambda GamS |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | 3 ul sample applied Blot force of -4 for 1 s |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 122796 |
Reported Resolution (Å) | 3.8 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (5LD2) | 2 (2UUZ) | |||
Refinement Space | |||||
Refinement Protocol | RIGID BODY FIT | RIGID BODY FIT | |||
Refinement Target | Cross-correlation coefficient | Cross-correlation coefficient | |||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 1.4 |
Imaging Experiment | 1 |
---|---|
Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1200 |
Maximum Defocus (nm) | 2400 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 105000 |
Calibrated Magnification | 37313 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
PARTICLE SELECTION | Gautomatch | |
IMAGE ACQUISITION | EPU | |
CTF CORRECTION | Gctf | 0.5 |
MODEL FITTING | Coot | |
INITIAL EULER ASSIGNMENT | RELION | 1.4 |
FINAL EULER ASSIGNMENT | RELION | 1.4 |
CLASSIFICATION | RELION | 1.4 |
RECONSTRUCTION | RELION | 1.4 |
MODEL REFINEMENT | REFMAC | |
MODEL REFINEMENT | PHENIX |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING ONLY | CTF correction done at start of processing | 134124 |